- From: Enrico Franconi <franconi@inf.unibz.it>
- Date: Wed, 25 Jan 2006 19:02:54 +0100
- To: Andy Seaborne <andy.seaborne@hp.com>
- Cc: RDF Data Access Working Group <public-rdf-dawg@w3.org>
On 25 Jan 2006, at 18:58, Enrico Franconi wrote: > > > On 25 Jan 2006, at 18:55, Enrico Franconi wrote: > >> >> On 25 Jan 2006, at 18:41, Seaborne, Andy wrote: >>> Enrico Franconi wrote: >>>> Another proposed simplification: >>>> Currently: >>>> Definition: Scoping Set >>>> A Scoping Set B is a set of RDF terms formed by the combination of: >>>> * all URIs >>>> * blank node names >>>> This could just be: >>>> A Scoping Set is an arbitrary subset of the RDF terms. >>> >>> I thought the point was that it is always all IRIs (oops s/URI/ >>> IRI) and some set of blank nodes (but not all of them). That >>> then ties to "The identifiers introduced by S all occur in B." in >>> the BGP matching defn. >> >> Well, yes, you are right. > > More precisely: in sparql we have all the B includes only the > bnodes in G'; then, we have to leave room for future extensions. > For example, for OWL data queries, B does not include any bnode; > and there is an understanding of RDF entailment where you may want > to have all bnodes in B. OK, I have to read what I write :-) s/all the B/that B/ --e.
Received on Wednesday, 25 January 2006 18:03:40 UTC